Obs. : 2013-08-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.361e+11
Venus      4.270e+11
Earth      3.996e+11
Mars       4.100e+11
Jupiter    4.057e+11
Saturn     4.183e+11
Uranus     3.977e+11
Neptune    3.997e+11
Pluto      4.010e+11